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3115472369 is a prime number
BaseRepresentation
bin1011100110110010…
…0101010111110001
322001010022101122112
42321230211113301
522340030103434
61233051215105
7140130035552
oct27154452761
98033271575
103115472369
11135966a559
1272b447495
133a85b4699
14217aa4329
151337a2dce
hexb9b255f1

3115472369 has 2 divisors, whose sum is σ = 3115472370. Its totient is φ = 3115472368.

The previous prime is 3115472303. The next prime is 3115472387. The reversal of 3115472369 is 9632745113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3031053025 + 84419344 = 55055^2 + 9188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3115472369 is a prime.

It is a super-2 number, since 2×31154723692 = 19412336164004944322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3115477369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557736184 + 1557736185.

It is an arithmetic number, because the mean of its divisors is an integer number (1557736185).

Almost surely, 23115472369 is an apocalyptic number.

It is an amenable number.

3115472369 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115472369 is an equidigital number, since it uses as much as digits as its factorization.

3115472369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 3115472369 is about 55816.4166621255. The cubic root of 3115472369 is about 1460.5215452331.

The spelling of 3115472369 in words is "three billion, one hundred fifteen million, four hundred seventy-two thousand, three hundred sixty-nine".